Cleaning system, and method

Abstract

A cleaning system and method can include a cleaning device including a soaking tank configured to accommodate cleaner; and a filtering device configured to filter a first substance being a mixture of the cleaner and mask residue in the soaking tank. The filtering device includes a sucking apparatus including an sucking port for sucking the first substance; a spraying apparatus, including a spraying port oriented a region that the sucking port is capable of sucking in a bottom of the soaking tank, the spraying port being configured to spray liquid or gas to flush the bottom of the soaking tank; and a filtering apparatus connected to the sucking apparatus to receive and filter the first substance sucked by the sucking port.

What is claimed is: 
     
       1. A cleaning system, comprising:
 a cleaning device, comprising a soaking tank configured to accommodate a cleaner; 
 a filtering system configured to filter a first substance; and 
 a mask residue separation device; 
 wherein the first substance is a mixture of the cleaner and a mask residue in the soaking tank, and 
 wherein the filtering system comprising:
 a sucking apparatus, comprising a sucking port for sucking the first substance; 
 a spraying apparatus, comprising a spraying port, the spraying port being oriented toward a region that the sucking pot is capable of sucking in a bottom of the soaking tank, and the spraying port configured to spray liquid to flush the bottom of the soaking tank; 
 a filtering apparatus, connected to the sucking apparatus to receive and filter the first substance sucked by the sucking port, wherein the filtering apparatus comprising a cleaner filter configured to filter the first substance, wherein the cleaner filter comprises a barrel body configured to accommodate the first substance and a filter element arranged in the barrel body; 
 a third pipeline, the mask residue separation device connected to the third pipeline, wherein the mask residue separation device is configured to separate the cleaner and the mask residue in a third substance, the third substance being a residue of the first substance, wherein the residue is blocked by the filter element of the cleaner filter; and 
 a fourth pipeline having a first end communicated with the mask residue separation device and a second end connected to the spraying port to transfer a fourth substance into the spraying port, the fourth substance being a substance of which main component is the cleaner after the third substance is separated by the mask residue separation device. 
 
 
     
     
       2. The cleaning system of  claim 1 , wherein,
 the sucking port is arranged above the bottom of the soaking tank and oriented toward the bottom of the soaking tank, and the spraying port is arranged above the bottom of the soaking tank and adjacent to the bottom of the soaking tank. 
 
     
     
       3. The cleaning system of  claim 1 , wherein the sucking apparatus comprises a plurality of sucking port groups spaced apart, and the spraying apparatus comprises a plurality of spraying port groups, each of the plurality of sucking port groups arranged adjacent to a corresponding one of the plurality of spraying port groups, each of the plurality of sucking port groups comprises one sucking port, each of the plurality of spraying port groups comprises two spraying ports, and the two spraying ports of a given spraying port group are arranged on two sides of the one sucking port of the sucking port group corresponding to the given spraying port group; or each of the plurality of sucking port groups comprises one sucking port, each of the plurality of spraying ports groups comprises three or four spraying ports, and the three or four spraying ports of a given spraying port group are arranged around the one sucking port of the sucking port group corresponding to the given spraying port group. 
     
     
       4. The cleaning system of  claim 1 , wherein the filtering apparatus comprises:
 a first pipeline, communicated with the sucking apparatus, 
 wherein the cleaner filter is connected to the first pipeline to filter the first substance, and wherein the cleaner filter receives the first substance from the first pipeline. 
 
     
     
       5. The cleaning system of  claim 4 , wherein the filtering apparatus further comprises:
 a second pipeline having a first end communicated with the cleaner filter to output a second substance passing through the cleaner filter, the second substance being a substance obtained after the first substance is filtered by the cleaner filter, and a second end of the second pipeline being communicated with the spraying apparatus; and/or 
 the filtering apparatus comprises a plurality of cleaner filters, the plurality of cleaner filters are sequentially connected to sequentially filter the first substance from the first pipeline, and a filter pore size of a downstream cleaner filter of the plurality of cleaner filters is smaller than a filter pore size of an upstream cleaner filter of the plurality of cleaner filters. 
 
     
     
       6. The cleaning system of  claim 4 , wherein the cleaner filter comprises:
 a feed port formed on an upper portion of the barrel body; and 
 a discharge port formed on a lower portion of the barrel body, 
 wherein the first substance from the first pipeline is received through the feed port, 
 wherein the filter element of the cleaner filter is formed as a hollow cylinder shape, 
 wherein the first substance flows from the feed port into a hollow region of the filter element and flows out to the discharge port through the filter element, and 
 wherein a second pipeline is supplied with a second substance through the discharge port. 
 
     
     
       7. The cleaning system of  claim 6 , wherein the cleaner filter further comprises:
 a barrel cover, covering a top of the barrel body, and an exhaust port formed on a top of the barrel cover; 
 a cleaning paddle, passing through a middle of the barrel cover and accommodated in the hollow region, the cleaning paddle being in contact with an inner wall of the filter element; 
 a driving mechanism, arranged on the barrel cover and connected to the cleaning paddle to drive the cleaning paddle to rotate, to cause the first substance accommodated in the barrel body to flow downwards; and 
 a controller, connected to the driving mechanism to control the driving mechanism to rotate the cleaning paddle. 
 
     
     
       8. The cleaning system of  claim 7 , wherein the cleaning paddle comprises:
 a rotating shaft, arranged vertically and having a top end connected to the driving mechanism; and 
 blades, arranged around the rotating shaft and surrounding the rotating shaft, and the blades comprising scrapers or brushes. 
 
     
     
       9. The cleaning system of  claim 7 , wherein a first drain outlet is formed at a bottom of the barrel body,
 wherein the filtering system further comprises a first drain valve connected to the first drain outlet, the third substance being discharged when the first drain valve is opened. 
 
     
     
       10. The cleaning system of  claim 9 , wherein the cleaner filter has operating modes including a first mode and a second mode, the controller is further connected to the first drain valve and switches the first mode and the second mode based on a predetermined condition; in the first mode, the controller is configured to control the driving mechanism to drive the cleaning paddle to rotate and closes the first drain valve, and in the second mode, the controller is configured to control the driving mechanism to drive the cleaning paddle to rotate and opens the first drain valve. 
     
     
       11. The cleaning system of  claim 9 , wherein a second drain outlet spaced apart from the first drain outlet is arranged at the bottom of the barrel body, and the filtering system further comprises a second drain valve connected to the second drain outlet. 
     
     
       12. The cleaning system of  claim 1 , wherein the mask residue separation device comprises:
 a first transmission shaft; 
 a second transmission shaft, the first transmission shaft and the second transmission shaft being transversely spaced apart; 
 a conveyor belt, encircling the first transmission shaft and the second transmission shaft, the conveyor belt being capable of reciprocating around the first transmission shaft and the second transmission shaft, the conveyor belt being formed as a first filter screen, and the conveyor belt receiving the first third substance flowing in from thereabove; and 
 a mask residue collector, arranged corresponding to a discharge end of the conveyor belt to receive a fifth substance transferred by the discharge end of the conveyor belt, the fifth substance being a substance remaining on the conveyor belt after the first third substance is filtered by the conveyor belt. 
 
     
     
       13. The cleaning system of  claim 12 , wherein the mask residue separation device further comprises:
 a cleaning apparatus, adjacent to the discharge end of the conveyor belt to sweep the fifth substance on the conveyor belt to the mask residue collector. 
 
     
     
       14. The cleaning system of  claim 13 , wherein the cleaning apparatus comprises:
 a purger, adjacent to the second transmission shaft and oriented toward a lower surface of the conveyor belt to blow off the fifth substance on a surface of the conveyor belt to the mask residue collector, and the second transmission shaft being adjacent to the discharge end of the conveyor belt; wherein the purger comprises a purge tube arranged in a longitudinal direction, the purge tube is provided with a blowing port along an axial direction to blow out gas; or 
 wherein the cleaning apparatus comprises: 
 a scraper, abutting against a surface of the conveyor belt to scrape the fifth substance on a surface of the conveyor belt to the mask residue collector, and the second transmission shaft being adjacent to the discharge end of the conveyor belt. 
 
     
     
       15. The cleaning system of  claim 12 , wherein,
 the mask residue separation device further comprises: 
 a second filter screen, arranged below the conveyor belt to receive the fifth substance from the conveyor belt. 
 
     
     
       16. The cleaning system of  claim 1 , wherein the cleaning device further comprises:
 a liquid blocking mechanism, fitting an inlet of the soaking tank, a height of the cleaner that the soaking tank is capable of accommodating being higher than a predetermined gap, 
 wherein the liquid blocking mechanism comprises an openable and closable liquid blocking member, 
 wherein the openable and closable liquid blocking member is opened when a solar cell passes through the inlet to allow the solar cell to enter the soaking tank through the inlet, 
 wherein the openable and closable liquid blocking member is closed to seal the inlet when no solar cell passes through the inlet, 
 wherein the liquid blocking mechanism comprises a liquid-blocking roller assembly comprising an upper liquid-blocking roller and a lower liquid-blocking roller abutting against each other up and down, the upper liquid-blocking roller configured to move up and down, and/or the lower liquid-blocking roller configured to move up and down, and 
 wherein the solar cell is capable of entering the soaking tank through abutting portions of the upper liquid-blocking roller and the lower liquid-blocking roller which are capable of abutting against each other. 
 
     
     
       17. A cleaning method using the cleaning system of  claim 1 , comprising:
 step S1: providing a solar cell with a mask attached; 
 step S2: immersing the solar cell into cleaner in the soaking tank to remove the mask attached to the solar cell; and 
 step S3: spraying liquid towards the bottom of the soaking tank to flush up mask residue deposited on the bottom of the soaking tank and sucking out the first substance, wherein the first substance was flushed up from the bottom of the soaking tank. 
 
     
     
       18. The cleaning method of  claim 17 , wherein the first substance sucked out is subjected to a first filtration treatment to obtain a second substance as filtrate and a third substance as a filter residue, respectively, and wherein the second substance flows back into the soaking tank. 
     
     
       19. The cleaning method of  claim 17 , wherein the cleaning method further comprises:
 subjecting the first substance sucked out to a first filtration treatment to obtain filtrate as a second substance and filter residue as a third substance, respectively; and 
 flowing the second substance back into the soaking tank and spraying the second substance towards the bottom of the soaking tank. 
 
     
     
       20. The cleaning system of  claim 1 , wherein the cleaning system further comprises:
 a plurality of sucking ports, wherein several of the plurality of sucking ports are arranged above the bottom of the soaking tank and oriented toward the bottom of the soaking tank and the other of the plurality of sucking ports are connected to the bottom of the soaking tank; or 
 a plurality of sucking ports, wherein all of the plurality of sucking ports are arranged above the bottom of the soaking tank and oriented toward the bottom of the soaking tank or all of the plurality of sucking ports are connected to the bottom of the soaking tank; or 
 an arrangement of the spraying port, wherein the spraying port is arranged above the bottom of the soaking tank and adjacent to the bottom of the soaking tank, and the spraying port is located on a side of the sucking port and at a predetermined distance from the sucking port; or 
 a plurality of spraying port groups corresponding to a plurality of sucking port groups, wherein each of the plurality of sucking port groups comprises at least one sucking port, and each of the plurality of spraying port groups comprises at least one spraying port.